关键字 interface
接口中不能有实现的方法
不能用数据,可以有常量
JAVA接口:http://blog.csdn.net/a289672082/article/details/51518398
<span><span><?php</span><span><span>interface</span><span>Code</span>{</span><span>//public $data=123; 错误 接口中不能有访问属性的数据</span><span>const</span> data =<span>123</span>;<span>//正确 接口中可以使用常量</span><span>public</span><span><span>function</span><span>_print</span><span>()</span>;</span><span>//public function _print2(){}; 错误,接口中不能用实现的方法</span>
}
<span><span>class</span><span>CPlusPlus</span><span>implements</span><span>Code</span>{</span><span>public</span><span><span>function</span><span>_print</span><span>()</span>
{</span><span>echo</span><span>"std::cout <br>"</span>;
}
}
<span><span>class</span><span>JavaScript</span><span>implements</span><span>Code</span>{</span><span>public</span><span><span>function</span><span>_print</span><span>()</span>
{</span><span>echo</span><span>"console.log(...) <br>"</span>;
}
}
<span>$C</span> = <span>new</span> CPlusPlus();
<span>$JS</span> = <span>new</span> JavaScript();
<span>$C</span>->_print();
<span>$JS</span>->_print();
<span>?></span></span>').addClass('pre-numbering').hide();
$(this).addClass('has-numbering').parent().append($numbering);
for (i = 1; i ').text(i));
};
$numbering.fadeIn(1700);
});
});
以上就介绍了 PHP入门8 面向对象3 接口，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。
